Shanghai Yidian 721G, 752N, 722G, 722S UV-Vis Spectrophotometer L3 Laboratory Light
Models: 721 / 721G, 722G, 721G-100, 721N, 722S
Display: LCD
Measurement method: Single-beam
Light Source: 12V 20W halogen tungsten lamp
Spectral Bandwidth: 5 nm (721/721G, 722G, 721G-100, 721N), 6 nm (722S)
Wavelength Range (nm): 340–1000 (721/721G, 721G-100, 721N), 325–1000 (722G)
Wavelength Setting: Manual
Wavelength Scanning Function: None
Wavelength Accuracy: ±2 nm
Wavelength Repeatability: ≤1 nm
Absorbance Accuracy: ±0.5% T
Absorbance Repeatability: ≤0.2% T
Noise: ≤0.2% T
Stray Light (T): ≤0.1% T (721/721G, 722G, 721G-100, 721N), ≤0.5% T (722S)
Cuvette holder: 5 cm (721/721G, 722G), 10 cm (721G-100), 1 cm (721N, 722S)
Cuvettes: 4 standard glass cuvettes included
Analysis software: Optional
Rated power: 80W (721/721G, 722G, 721G-100, 721N), 40W (722S)
Models: 722N, 7230G, 723N, N2/N2S, L3/L3S
Display: 7-inch color touchscreen (722N, 7230G, 723N, N2/N2S), 8-inch color touchscreen (L3/L3S)
Light Measurement Method: Single Beam (722N, 7230G, 723N, N2/N2S), Proportional Dual Beam (L3/L3S)
Light source: 12V 20W halogen tungsten lamp (722N), imported 12V 20W halogen tungsten lamp (7230G, 723N, N2/N2S, L3/L3S)
Spectral bandwidth: 2 nm (722N, 7230G, 723N, N2/N2S), 1.8 nm (L3/L3S)
Wavelength range (nm): 325–1000 (722N), 325–1100 (7230G, 723N, N2/N2S, L3/L3S)
Wavelength Control: Manual (722N), Automatic (7230G, 723N, N2/N2S, L3/L3S)
Wavelength Scanning: Not supported (722N), Supported (7230G), Supported only on S models (N2/N2S), Supported only on S models (L3/L3S)
Wavelength Accuracy: ±2 nm (722N), ±1 nm (7230G, 723N, N2/N2S), ±0.5 nm (L3/L3S)
Wavelength Repeatability: ≤1 nm (722N), ≤0.5 nm (7230G, 723N, N2/N2S), ≤0.2 nm (L3/L3S)
Absorbance accuracy: ±0.5% T
Absorbance repeatability: ≤0.2% T
Noise: ≤0.2% T (722N, 7230G); 100% T ≤ 0.2% T; 0% T ≤ 0.1% T (723N, N2/N2S, L3/L3S)
Stray Light (T): ≤0.1% (T) (722N, 7230G, 723N, N2/N2S), ≤0.5% (T) (L3/L3S)
Cuvette Holder: 1 cm (722N, N2/N2S, L3/L3S), 5 cm (7230G, 723N)
Cuvettes: 4 standard glass cuvettes included
Analysis software: Optional
Rated power: 80W (722N), 100W (7230G, 723N, N2/N2S), 120W (L3/L3S)